Comparison

Biggr vs TANREN

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Biggr

Features
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Biggr is a training log focused on strength training, with support for bodyweight and cardio. Input is simple, history is easy to read, and progress is clear to see. β–  Key features β€’ Fast, intuitive logging β€’ Activity history showing when you trained β€’ Total volume tracking to visualize progress β€’ Exercise search and suggestions to save time β€’ iCloud backup/sync to keep data safe β–  Recommended for β€’ Anyone focused on strength training β€’ Those who also log bodyweight or cardio β€’ People who review habits through activity history β€’ Lifters who track total volume

About

TANREN

Features
Read full description

TANREN is a simple workout log that helps you record your training quickly and stay focused on consistency. Use it for strength training, running, stretching, gym workouts, or your own custom routines. For each exercise, you can customize what you track, such as weight, reps, distance, time, or any other metric that fits your workout. When you finish a set, just check it off. Your daily workout history is organized by date, so you can easily look back and see when you trained, what you did, and how much you completed. What you can do with TANREN: β€’ Log workouts by date β€’ Record weight, reps, and other set details β€’ Customize units for each exercise β€’ Track progress with simple completion checks β€’ View and edit past workouts β€’ Keep training with a clean, easy-to-use interface When logging feels easy, training becomes easier to keep up. Build today’s set with TANREN.

Screenshots

Biggr4 screens
TANREN3 screens

Verdict

The call

The clearest difference is in-app purchases: Biggr at none against TANREN's 1. TANREN's advantage is update cadence (every 2 days vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. TANREN sells 1 one-off in-app purchase. Biggr asks for nothing beyond the download.

UpkeepUpdate frequency

Biggr ships an update every 4 days, TANREN every 2 days. Both last shipped on October 25, 2026.

Scorecard2 real differences Β· 4 level
Biggr versus TANREN: the parameters behind the verdict, then further details
ParameterBiggrTANREN
PriceFreeFree
Update frequencyEvery 4 daysEvery 2 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad β€” betteriPhone
Requires iOS1817.0 β€” better
Further details β€” not scored
Size15 MB1 MB
Age rating4+4+
DeveloperTakanori HirohashiRyota Kumagawa

In-app purchases

None

Biggr

No in-app purchases

1 purchases

TANREN

One-time1
  • Plusプラン$5.99

Questions

Is Biggr free?
Biggr is free to download, with no in-app purchases.
Is TANREN free?
TANREN is free to download, with in-app purchases available.
Do Biggr or TANREN have ads?
Neither Biggr nor TANREN shows ads.
Which is updated more often, Biggr or TANREN?
Biggr ships an update every 4 days, and TANREN every 2 days. Most recently, Biggr was updated on October 25, 2026 and TANREN on October 25, 2026.

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